12 Days of Christmas
81st
Abundant Numbers
151st
Abundant Numbers (Long)
151st
Arabic to Roman
92nd
Arithmetic Numbers
23rd
Arrows
280th
Ascending Primes
122nd
ASCII Table
134th
Billiards
24th
brainfuck
140th
Card Number Validation
81st
Catalan Numbers
77th
Christmas Trees
114th
Collatz
7th
CSS Colors
118th
Cubes
245th
Day of Week
1st
Diamonds
165th
Divisors
1st
Emirp Numbers
100th
Emirp Numbers (Long)
163rd
Evil Numbers
243rd
Evil Numbers (Long)
172nd
Factorial Factorisation
99th
Farey Sequence
53rd
Fibonacci
176th
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Fractions
1st
Gijswijt’s Sequence
63rd
Happy Numbers
1st
Happy Numbers (Long)
140th
Intersection
122nd
Inventory Sequence
43rd
Leap Years
137th
Levenshtein Distance
44th
Leyland Numbers
144th
ln 2
1st
Look and Say
216th
Mandelbrot
65th
Niven Numbers
68th
Niven Numbers (Long)
133rd
Number Spiral
182nd
Odious Numbers
119th
Odious Numbers (Long)
103rd
Ordinal Numbers
119th
Partition Numbers
61st
Pascal’s Triangle
180th
Pernicious Numbers
103rd
Pernicious Numbers (Long)
34th
Prime Numbers
50th
Prime Numbers (Long)
1st
Recamán
141st
Scrambled Sort
51st
Set
71st
Sierpiński Triangle
52nd
Smith Numbers
158th
Tic-tac-toe
97th
Tongue-twisters
71st
Topological Sort
45th
Transpose Sentence
127th
United States
201st
Van Eck Sequence
65th
Zeckendorf Representation
71st
π
204th
τ
153rd
φ
129th
√2
1st
𝑒
1st